EP 3203077 B1 20210616 - PIEZOELECTRIC ACTUATOR
Title (en)
PIEZOELECTRIC ACTUATOR
Title (de)
PIEZOELEKTRISCHER AKTUATOR
Title (fr)
ACTIONNEUR PIÉZOÉLECTRIQUE
Publication
Application
Priority
- TW 105102842 A 20160129
- TW 105102843 A 20160129
- TW 105102845 A 20160129
- TW 105119823 A 20160624
- TW 105119824 A 20160624
- TW 105119825 A 20160624
- TW 105128583 A 20160905
Abstract (en)
[origin: EP3203077A1] A piezoelectric actuator (13) includes a suspension plate (130), a piezoelectric ceramic plate (133), an outer frame (131) and a bracket (132). The suspension plate (130) is permitted to undergo a curvy vibration from a middle portion (130d) to a periphery portion (130e). The piezoelectric ceramic plate (133) is attached on the suspension plate (130). When a voltage is applied to the piezoelectric ceramic plate (133), the suspension plate (130) is driven to undergo the curvy vibration. The outer frame (131) is arranged around the suspension plate (130). The bracket (132) is connected between the suspension plate (130) and the outer frame (131) for elastically supporting the suspension plate (130), and includes an intermediate part (p21) formed in a vacant space between the suspension plate (130) and the outer frame (131) and in parallel with the outer frame (131) and the suspension plate (130), a first connecting part (p20) arranged between the intermediate part (p21) and the suspension plate (130), and a second connecting part (p22) arranged between the intermediate part (p21) and the outer frame (131).
IPC 8 full level
F04B 43/04 (2006.01); H10N 30/20 (2023.01); F04B 45/047 (2006.01); F16K 99/00 (2006.01); H10N 30/853 (2023.01)
CPC (source: EP KR US)
F04B 45/047 (2013.01 - EP US); F16K 99/0015 (2013.01 - EP US); F16K 99/0048 (2013.01 - EP US); H02N 2/0055 (2013.01 - KR); H10N 30/20 (2023.02 - KR); H10N 30/2047 (2023.02 - US); F16K 2099/0094 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3203077 A1 20170809; EP 3203077 B1 20210616; JP 2017135974 A 20170803; JP 6581124 B2 20190925; KR 101959613 B1 20190318; KR 20170091022 A 20170808; US 10615329 B2 20200407; US 2017222125 A1 20170803
DOCDB simple family (application)
EP 17152115 A 20170119; JP 2017010036 A 20170124; KR 20170009595 A 20170120; US 201715410037 A 20170119